PLEASE ANSWER ASAP! Sound wave travels through water at 1,500 m/s. How far would it travel in 5 s?

Use the Speed of Sound Equation

s = d / t

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?